@charset "UTF-8";

/* ===================================================================
   style.css for 個別指導専門 峯浦塾

   - Organized Structure -
   1.  Settings      - サイト全体の設定（変数、リセットCSS）
   2.  Base          - 基本要素のスタイル
   3.  Layout (l-)   - ヘッダー、フッターなどの骨格部分
   4.  Component (c-)- 繰り返し使われるUIパーツ
   5.  Project (p-)  - ページ固有のレイアウトやスタイル
   6.  Utility (u-)  - 汎用的なヘルパークラス
   7.  Media Queries - レスポンシブ対応
   =================================================================== */

/* ===================================================================
   1. SETTINGS
   =================================================================== */

/* --- CSS Variables --- */
:root {
  /* Color Palette */
  --color-primary: #005948;
  /* 峯浦グリーン (信頼・安定) */
  --color-secondary: #4A7A96;
  /* ロジカルブルー (知性・論理) */
  --color-accent: #82B484;
  /* グロウスグリーン (成長・希望) */
  --color-text: #333333;
  /* テキストグレー (可読性) */
  --color-bg: #FFFFFF;
  /* オフホワイト (清潔感) */
  --color-bg-sub: #F7F7F7;
  /* ライトグレー (上品さ) */
  --color-white: #FFFFFF;
  --color-border: #DDDDDD;

  /* Typography */
  --font-family-base: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Hiragino Kaku Gothic ProN", "Hiragino Sans", Meiryo, sans-serif;
  --font-size-base: 16px;
  --line-height-base: 1.7;

  /* Layout */
  --content-width: 1100px;
  --content-padding-sp: 20px;
  --content-padding-pc: 40px;
  --header-height: 70px;
}

/* --- Basic Reset --- */
*,
*::before,
*::after {
  box-sizing: border-box;
}

body,
h1,
h2,
h3,
h4,
h5,
h6,
p,
ul,
ol,
li,
figure,
figcaption,
blockquote,
dl,
dd {
  margin: 0;
}

ul,
ol {
  padding: 0;
  list-style: none;
}

img {
  max-width: 100%;
  height: auto;
  vertical-align: middle;
}

input,
button,
textarea,
select {
  font: inherit;
}

/* ===================================================================
   2. BASE
   =================================================================== */

body {
  font-family: var(--font-family-base);
  font-size: var(--font-size-base);
  line-height: var(--line-height-base);
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body.is-nav-open {
  overflow: hidden;
}

a {
  color: var(--color-secondary);
  text-decoration: none;
  transition: opacity 0.3s;
}

a:hover {
  opacity: 0.7;
}

/* ===================================================================
   3. LAYOUT (l-)
   =================================================================== */

/* --- Container --- */
.l-container {
  width: 100%;
  max-width: var(--content-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--content-padding-sp);
  padding-right: var(--content-padding-sp);
}

.l-container--narrow {
  width: 100%;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--content-padding-sp);
  padding-right: var(--content-padding-sp);
}

.l-section {
  padding-top: 60px;
  padding-bottom: 60px;
}

/* --- Header --- */
.l-header {
  height: var(--header-height);
  background-color: var(--color-bg-sub);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
}

.l-header .l-container {
  padding-left: 0;
  padding-right: 0;
  height: 100%;
  width: 100%;
  display: flex;
  align-items: center;
}

.l-header__wrapper {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  width: 100%;
  padding: 0 var(--content-padding-sp);
}

.l-header__brand {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.l-header__logo {
  display: block;
  line-height: 1;
}

.l-header__logo img {
  height: 40px;
  width: auto;
  vertical-align: middle;
}

.l-header__site-name {
  font-size: 1.4em;
  font-weight: bold;
  line-height: 1.3;
}

.l-header__site-name a {
  color: var(--color-primary);
  text-decoration: none;
}

.l-header__site-name a:hover {
  color: var(--color-secondary);
  opacity: 1;
}

/* --- Footer --- */
.l-footer {
  background-color: var(--color-primary);
  color: var(--color-white);
  padding: 40px var(--content-padding-sp) 20px;
}

.l-footer a {
  color: var(--color-white);
  text-decoration: none;
}

.l-footer a:hover {
  text-decoration: underline;
  opacity: 0.8;
}

.l-footer__upper {
  text-align: center;
  margin-bottom: 30px;
}

.l-footer__contact-name {
  font-size: 1.1rem;
  font-weight: bold;
  margin-bottom: 1em;
}

.l-footer__contact-details {
  font-size: 0.9rem;
  line-height: 1.6;
  margin-bottom: 2em;
}

.l-footer__contact-address {
  font-style: normal;
  margin-bottom: 1em;
}

.l-footer__contact-tel {
  margin-bottom: 1em;
}

.l-footer__nav-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px 20px;
  font-size: 0.9rem;
}

.l-footer__lower {
  border-top: 1px solid rgba(255, 255, 255, 0.3);
  padding-top: 20px;
}

.l-footer__copyright {
  font-size: 0.8rem;
  text-align: center;
}

/* ===================================================================
   4. COMPONENT (c-)
   =================================================================== */

/* --- 見出し --- */
.c-section-title {
  font-size: clamp(1.6rem, 5vw, 1.8rem);
  color: var(--color-primary);
  text-align: center;
  margin-bottom: 2em;
}

.c-section-title--white {
  color: var(--color-white);
}

.c-subsection-title {
  font-size: clamp(1.3rem, 4vw, 1.4rem);
  color: var(--color-secondary);
  padding-left: 0.8em;
  border-left: 4px solid var(--color-secondary);
  margin-bottom: 1.5em;
}

/* --- ボタン --- */
.c-button {
  display: inline-block;
  padding: 0.8em 2em;
  font-weight: bold;
  text-align: center;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: background-color 0.3s, transform 0.2s;
  position: relative;
  overflow: hidden;
}

.c-button:hover {
  transform: translateY(-2px);
  opacity: 1;
}

.c-button--primary {
  background-color: var(--color-primary);
  color: var(--color-white);
}

.c-button--primary:hover {
  background-color: #004033;
}

.c-button--secondary {
  background-color: var(--color-secondary);
  color: var(--color-white);
}

.c-button--secondary:hover {
  background-color: #3a6a86;
}

.c-button--accent {
  background-color: var(--color-accent);
  color: var(--color-white);
}

.c-button--accent:hover {
  background-color: #699b6b;
}

.c-button--large {
  padding: 1em 2.5em;
  font-size: 1.1rem;
}

.c-button__text {
  transition: opacity 0.3s ease;
}

.c-button__loader {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 20px;
  height: 20px;
  border: 2px solid transparent;
  border-top: 2px solid currentColor;
  border-radius: 50%;
  opacity: 0;
  animation: spin 1s linear infinite;
}

.c-button.is-loading .c-button__text {
  opacity: 0;
}

.c-button.is-loading .c-button__loader {
  opacity: 1;
}

@keyframes spin {
  to {
    transform: translate(-50%, -50%) rotate(360deg);
  }
}

/* --- ナビゲーション (SP) --- */
.c-nav-menu {
  display: none;
  position: fixed;
  top: var(--header-height);
  left: 0;
  width: 100%;
  height: calc(100vh - var(--header-height));
  background-color: rgba(255, 255, 255, 0.98);
  padding: 40px;
  overflow-y: auto;
}

.c-nav-menu.is-active {
  display: block;
}

.c-nav-menu__list {
  text-align: center;
}

.c-nav-menu__item a {
  display: block;
  padding: 15px;
  font-size: 1.2rem;
  color: var(--color-text);
}

.c-nav-menu__item--mobile-only {
  display: block;
}

.c-nav-cta {
  display: none;
  /* SPでは非表示, PCで表示 */
}

/* --- ハンバーガーメニュー --- */
.c-hamburger-trigger {
  display: block;
  width: 30px;
  height: 22px;
  position: relative;
  cursor: pointer;
  z-index: 110;
  background: none;
  border: none;
  padding: 0;
  flex-shrink: 0;
}

.c-hamburger-trigger__bar {
  display: block;
  transition: all .4s;
  position: absolute;
  left: 0;
  height: 3px;
  border-radius: 2px;
  background: var(--color-text);
  width: 100%;
}

.c-hamburger-trigger__bar:nth-of-type(1) {
  top: 0;
}

.c-hamburger-trigger__bar:nth-of-type(2) {
  top: 9px;
}

.c-hamburger-trigger__bar:nth-of-type(3) {
  top: 18px;
}

.c-hamburger-trigger.is-active .c-hamburger-trigger__bar:nth-of-type(1) {
  top: 9px;
  transform: rotate(45deg);
}

.c-hamburger-trigger.is-active .c-hamburger-trigger__bar:nth-of-type(2) {
  opacity: 0;
}

.c-hamburger-trigger.is-active .c-hamburger-trigger__bar:nth-of-type(3) {
  top: 9px;
  transform: rotate(-45deg);
}

/* --- カード --- */
.c-card {
  border: 1px solid var(--color-border);
  border-radius: 8px;
  background-color: var(--color-bg);
  padding: 1.5em;
  text-align: center;
  display: flex;
  flex-direction: column;
  transition: box-shadow 0.3s, transform 0.3s;
}

.c-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
}

.c-card__icon-wrapper {
  margin-bottom: 1em;
  height: 48px;
  display: flex;
  justify-content: center;
  align-items: center;
}

.c-card__title {
  font-size: 1.2rem;
  font-weight: bold;
  color: var(--color-primary);
  margin-bottom: 0.5em;
}

.c-card__text {
  text-align: left;
  font-size: 0.95rem;
  flex-grow: 1;
}

/* --- アイコン --- */
.c-feature-icon {
  display: inline-block;
  width: 48px;
  height: 48px;
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
}

.c-feature-icon--direct {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' height='24px' viewBox='0 -960 960 960' width='24px' fill='%234A7A96'%3E%3Cpath d='M475-160q4 0 8-2t6-4l328-328q12-12 17.5-27t5.5-30q0-16-5.5-30.5T817-607L647-777q-11-12-25.5-17.5T591-800q-15 0-30 5.5T534-777l-11 11 74 75q15 14 22 32t7 38q0 42-28.5 70.5T527-522q-20 0-38.5-7T456-550l-75-74-175 175q-3 3-4.5 6.5T200-435q0 8 6 14.5t14 6.5q4 0 8-2t6-4l136-136 56 56-135 136q-3 3-4.5 6.5T285-350q0 8 6 14t14 6q4 0 8-2t6-4l136-135 56 56-135 136q-3 2-4.5 6t-1.5 8q0 8 6 14t14 6q4 0 7.5-1.5t6.5-4.5l136-135 56 56-136 136q-3 3-4.5 6.5T454-180q0 8 6.5 14t14.5 6Zm-1 80q-37 0-65.5-24.5T375-166q-34-5-57-28t-28-57q-34-5-56.5-28.5T206-336q-38-5-62-33t-24-66q0-20 7.5-38.5T149-506l232-231 131 131q2 3 6 4.5t8 1.5q9 0 15-5.5t6-14.5q0-4-1.5-8t-4.5-6L398-777q-11-12-25.5-17.5T342-800q-15 0-30 5.5T285-777L144-635q-9 9-15 21t-8 24q-2 12 0 24.5t8 23.5l-58 58q-17-23-25-50.5T40-590q2-28 14-54.5T87-692l141-141q24-23 53.5-35t60.5-12q31 0 60.5 12t52.5 35l11 11 11-11q24-23 53.5-35t60.5-12q31 0 60.5 12t52.5 35l169 169q23 23 35 53t12 61q0 31-12 60.5T873-437L545-110q-14 14-32.5 22T474-80Zm-99-560Z'/%3E%3C/svg%3E");
}

.c-feature-icon--logic {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' height='24px' viewBox='0 -960 960 960' width='24px' fill='%234A7A96'%3E%3Cpath d='m234-480-12-60q-12-5-22.5-10.5T178-564l-58 18-40-68 46-40q-2-13-2-26t2-26l-46-40 40-68 58 18q11-8 21.5-13.5T222-820l12-60h80l12 60q12 5 22.5 10.5T370-796l58-18 40 68-46 40q2 13 2 26t-2 26l46 40-40 68-58-18q-11 8-21.5 13.5T326-540l-12 60h-80Zm40-120q33 0 56.5-23.5T354-680q0-33-23.5-56.5T274-760q-33 0-56.5 23.5T194-680q0 33 23.5 56.5T274-600ZM592-40l-18-84q-17-6-31.5-14.5T514-158l-80 26-56-96 64-56q-2-18-2-36t2-36l-64-56 56-96 80 26q14-11 28.5-19.5T574-516l18-84h112l18 84q17 6 31.5 14.5T782-482l80-26 56 96-64 56q2 18 2 36t-2 36l64 56-56 96-80-26q-14 11-28.5 19.5T722-124l-18 84H592Zm56-160q50 0 85-35t35-85q0-50-35-85t-85-35q-50 0-85 35t-35 85q0 50 35 85t85 35Z'/%3E%3C/svg%3E");
}

.c-feature-icon--custom {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' height='24px' viewBox='0 -960 960 960' width='24px' fill='%234A7A96'%3E%3Cpath d='M352-120H200q-33 0-56.5-23.5T120-200v-152q48 0 84-30.5t36-77.5q0-47-36-77.5T120-568v-152q0-33 23.5-56.5T200-800h160q0-42 29-71t71-29q42 0 71 29t29 71h160q33 0 56.5 23.5T800-720v160q42 0 71 29t29 71q0 42-29 71t-71 29v160q0 33-23.5 56.5T720-120H568q0-50-31.5-85T460-240q-45 0-76.5 35T352-120Zm-152-80h85q24-66 77-93t98-27q45 0 98 27t77 93h85v-240h80q8 0 14-6t6-14q0-8-6-14t-14-6h-80v-240H480v-80q0-8-6-14t-14-6q-8 0-14 6t-6 14v80H200v88q54 20 87 67t33 105q0 57-33 104t-87 68v88Zm260-260Z'/%3E%3C/svg%3E");
}

/* --- リスト --- */
.c-list-check {
  list-style: none;
}

.c-list-check__item {
  position: relative;
  padding-left: 1.8em;
  margin-bottom: 0.8em;
}

.c-list-check__item::before {
  content: '✔';
  position: absolute;
  left: 0;
  top: 0.1em;
  color: var(--color-accent);
  font-weight: bold;
}

.c-list-check--centered {
  max-width: 800px;
  margin: 0 auto;
  text-align: left;
}

.c-list-check--centered .c-list-check__item {
  margin-bottom: 1.2em;
}

.c-list-problem {
  list-style: none;
}

.c-list-problem__item {
  position: relative;
  padding-left: 1.8em;
  margin-bottom: 0.8em;
}

.c-list-problem__item::before {
  content: '💭';
  position: absolute;
  left: 0;
  top: 0.1em;
  font-weight: bold;
}

.c-check-item {
  position: relative;
  padding-left: 1.8em;
}

.c-check-item::before {
  content: '✔';
  position: absolute;
  left: 0;
  top: 0.1em;
  color: var(--color-accent);
  font-weight: bold;
}

/* --- フローリスト --- */
.c-flow-list {
  counter-reset: flow-counter;
}

.c-flow-list__item {
  position: relative;
  padding: 1.5em 1.5em 1.5em 3.5em;
  border: 1px solid var(--color-border);
  border-radius: 8px;
}

.c-flow-list__item:not(:last-child) {
  margin-bottom: 2.5em;
}

.c-flow-list__item::before {
  counter-increment: flow-counter;
  content: counter(flow-counter);
  position: absolute;
  left: 1.5em;
  top: 1.2em;
  background-color: var(--color-secondary);
  color: var(--color-white);
  width: 2em;
  height: 2em;
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  font-weight: bold;
  transform: translateX(-50%);
}

.c-flow-list__item:not(:last-child)::after {
  content: '▼';
  position: absolute;
  bottom: -1.8em;
  left: 1.5em;
  transform: translateX(-50%);
  color: var(--color-accent);
  font-size: 1.5rem;
}

.c-flow-list__title {
  font-size: 1.2rem;
  font-weight: bold;
  color: var(--color-secondary);
  margin-bottom: 0.5em;
}

/* --- お知らせ一覧 --- */
.c-news-list {
  max-width: 600px;
  margin: 0 auto;
}

.c-news-list__item {
  border-bottom: 1px dotted var(--color-border);
}

.c-news-list__item a {
  display: block;
  padding: 1em 0.5em;
  color: var(--color-text);
  transition: background-color 0.3s;
  text-align: left;
}

.c-news-list__item a:hover {
  background-color: var(--color-bg-sub);
  opacity: 1;
}

.c-news-list__meta {
  display: flex;
  align-items: center;
  gap: 1em;
  margin-bottom: 0.5em;
}

.c-news-list__date {
  font-size: 0.9rem;
  color: var(--color-text);
  flex-shrink: 0;
}

.c-news-list__title {
  color: var(--color-secondary);
  text-decoration: underline;
  font-weight: bold;
  flex-grow: 1;
}

/* --- 定義リスト --- */
.c-definition-list dt {
  font-weight: bold;
  padding: 1em;
  background-color: var(--color-bg-sub);
  border: 1px solid var(--color-border);
  border-bottom: none;
}

.c-definition-list dd {
  padding: 1em 1em 1em 2em;
  border-left: 1px solid var(--color-border);
  border-right: 1px solid var(--color-border);
}

.c-definition-list>*:last-of-type {
  border-bottom: 1px solid var(--color-border);
}

.c-definition-list dd+dt {
  border-top: 1px solid var(--color-border);
}

.c-definition-list-simple {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 10px 15px;
}

.c-definition-list-simple dt {
  font-weight: bold;
}

/* --- キャンペーンバナー --- */
.c-campaign-banner {
  border: 3px dashed var(--color-accent);
  border-radius: 8px;
  padding: 2em;
  text-align: center;
  background-color: #f5fff5;
}

.c-campaign-banner__title {
  color: var(--color-primary);
  font-size: 1.3rem;
  margin-bottom: 1em;
}

.c-campaign-banner__perk {
  font-size: 1.1rem;
  line-height: 1.8;
}

/* --- FAQアコーディオン --- */
.c-accordion {
  max-width: 800px;
  margin: 0 auto;
}

.c-accordion__item {
  background-color: var(--color-white);
  border: 1px solid #e8e8e8;
  border-radius: 12px;
  margin-bottom: 16px;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0, 89, 72, 0.04);
  transition: all 0.25s ease;
}

.c-accordion__item:hover {
  box-shadow: 0 4px 16px rgba(0, 89, 72, 0.08);
  transform: translateY(-1px);
}

.c-accordion__question {
  position: relative;
  cursor: pointer;
  padding: 24px 60px 24px 24px;
  font-weight: 600;
  font-size: 1.1rem;
  line-height: 1.5;
  color: var(--color-primary);
  background: linear-gradient(135deg, #ffffff 0%, #fafafa 100%);
  border: none;
  transition: all 0.25s ease;
  user-select: none;
  display: block;
  width: 100%;
  text-align: left;
  box-sizing: border-box;
}

.c-accordion__question:hover {
  background: linear-gradient(135deg, #f8fffe 0%, #f0f5f4 100%);
}

.c-accordion__question[aria-expanded="true"] {
  background: linear-gradient(135deg, var(--color-primary) 0%, #004a3d 100%);
  color: var(--color-white);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.c-accordion__question::after {
  content: '';
  position: absolute;
  top: 50%;
  right: 24px;
  width: 12px;
  height: 12px;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: translateY(-50%) rotate(45deg);
  transition: transform 0.25s ease;
}

.c-accordion__question[aria-expanded="true"]::after {
  transform: translateY(-25%) rotate(-135deg);
}

.c-accordion__answer {
  overflow: hidden;
  max-height: 0;
  transition: max-height 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  background-color: var(--color-white);
}

.c-accordion__answer-inner {
  padding: 24px;
  border-top: 1px solid #f0f0f0;
  line-height: 1.7;
  color: var(--color-text);
}

.c-accordion__question[aria-expanded="true"]+.c-accordion__answer {
  background: linear-gradient(180deg, #f8fffe 0%, #ffffff 100%);
}

.c-accordion__question[aria-expanded="true"]+.c-accordion__answer .c-accordion__answer-inner {
  border-top-color: var(--color-primary);
  border-top-width: 2px;
  position: relative;
}

.c-accordion__question[aria-expanded="true"]+.c-accordion__answer .c-accordion__answer-inner::before {
  display: none;
}

.c-accordion__question:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

/* --- トップへ戻るボタン --- */
.c-back-to-top {
  position: fixed;
  right: 20px;
  bottom: 20px;
  width: 50px;
  height: 50px;
  background-color: var(--color-secondary);
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  color: var(--color-white);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s, visibility 0.3s, transform 0.3s;
  z-index: 50;
}

.c-back-to-top.is-visible {
  opacity: 1;
  visibility: visible;
}

.c-back-to-top:hover {
  transform: scale(1.1);
  opacity: 1;
}

/* --- ロゴ表示用 --- */
.c-logo-display img {
  box-shadow: none !important;
  border-radius: 0 !important;
}

/* === ここからモダンお問い合わせフォーム関連コンポーネント === */

/* --- プログレスインジケーター --- */
.c-progress-indicator {
  display: flex;
  justify-content: center;
  margin-bottom: 3rem;
  position: relative;
}

.c-progress-indicator::before {
  content: '';
  position: absolute;
  top: 20px;
  left: 25%;
  right: 25%;
  height: 2px;
  background: var(--color-border);
  z-index: 0;
}

.c-progress-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  flex: 1;
  max-width: 200px;
  position: relative;
  z-index: 1;
}

.c-progress-step__number {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-border);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  margin-bottom: 8px;
  transition: all 0.3s ease;
}

.c-progress-step.is-active .c-progress-step__number,
.c-progress-step.is-completed .c-progress-step__number {
  background: var(--color-accent);
}

.c-progress-step__label {
  font-size: 0.9rem;
  text-align: center;
  color: var(--color-text);
  transition: color 0.3s ease;
}

.c-progress-step.is-active .c-progress-step__label {
  color: var(--color-accent);
  font-weight: 600;
}

/* --- 選択カード --- */
.c-selection-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  margin-bottom: 2rem;
}

.c-selection-card {
  border: 2px solid var(--color-border);
  border-radius: 12px;
  padding: 2rem 1.5rem;
  text-align: center;
  cursor: pointer;
  transition: all 0.3s ease;
  position: relative;
  background: var(--color-white);
}

.c-selection-card input[type="radio"] {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.c-selection-card:hover {
  border-color: var(--color-secondary);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(74, 122, 150, 0.15);
}

.c-selection-card.is-selected {
  border-color: var(--color-accent);
  background: linear-gradient(135deg, rgba(130, 180, 132, 0.05) 0%, rgba(130, 180, 132, 0.02) 100%);
}

.c-selection-card__icon {
  font-size: 3rem;
  margin-bottom: 1rem;
  filter: grayscale(0.3);
  transition: filter 0.3s ease;
}

.c-selection-card.is-selected .c-selection-card__icon {
  filter: grayscale(0);
}

.c-selection-card__title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 0.5rem;
}

.c-selection-card__description {
  font-size: 0.9rem;
  color: var(--color-text);
  line-height: 1.5;
}

.c-selection-card__badge {
  position: absolute;
  top: -8px;
  right: 15px;
  background: var(--color-accent);
  color: var(--color-white);
  font-size: 0.75rem;
  padding: 4px 12px;
  border-radius: 12px;
  font-weight: 600;
}

/* --- フローティング入力フィールド --- */
.c-floating-input {
  position: relative;
  margin-bottom: 0.5rem;
}

.c-floating-input__field {
  width: 100%;
  padding: 16px 16px 16px 16px;
  border: 2px solid var(--color-border);
  border-radius: 8px;
  font-size: 1rem;
  background: var(--color-white);
  transition: all 0.3s ease;
}

.c-floating-input__field:focus {
  outline: none;
  border-color: var(--color-secondary);
  box-shadow: 0 0 0 3px rgba(74, 122, 150, 0.1);
}

.c-floating-input__label {
  position: absolute;
  top: 16px;
  left: 16px;
  color: #999;
  font-size: 1rem;
  transition: all 0.3s ease;
  pointer-events: none;
  background: var(--color-white);
  padding: 0 4px;
}

.c-floating-input__field:focus+.c-floating-input__label,
.c-floating-input__field:not(:placeholder-shown)+.c-floating-input__label {
  top: -8px;
  left: 12px;
  font-size: 0.8rem;
  color: var(--color-secondary);
}

.c-field-icon {
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  width: 20px;
  height: 20px;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.c-floating-input__field.is-valid+.c-floating-input__label+.c-field-icon {
  opacity: 1;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%2382B484'%3E%3Cpath d='M9 16.17L4.83 12l-1.42 1.41L9 19 21 7l-1.41-1.41L9 16.17z'/%3E%3C/svg%3E") no-repeat center center;
  background-size: contain;
}

/* --- セレクトフィールド --- */
.c-select-wrapper {
  position: relative;
}

.c-select-field {
  width: 100%;
  padding: 16px 40px 16px 16px;
  border: 2px solid var(--color-border);
  border-radius: 8px;
  font-size: 1rem;
  background: var(--color-white);
  appearance: none;
  cursor: pointer;
  transition: all 0.3s ease;
}

.c-select-field:focus {
  outline: none;
  border-color: var(--color-secondary);
  box-shadow: 0 0 0 3px rgba(74, 122, 150, 0.1);
}

.c-select-icon {
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  color: #999;
  pointer-events: none;
  transition: transform 0.3s ease;
}

.c-select-field:focus+.c-select-icon {
  transform: translateY(-50%) rotate(180deg);
}

/* --- テキストエリア --- */
.c-textarea-wrapper {
  position: relative;
}

.c-textarea-field {
  width: 100%;
  min-height: 120px;
  padding: 16px;
  border: 2px solid var(--color-border);
  border-radius: 8px;
  font-size: 1rem;
  font-family: inherit;
  resize: vertical;
  transition: all 0.3s ease;
}

.c-textarea-field:focus {
  outline: none;
  border-color: var(--color-secondary);
  box-shadow: 0 0 0 3px rgba(74, 122, 150, 0.1);
}

.c-textarea-label {
  position: absolute;
  top: -8px;
  left: 12px;
  font-size: 0.9rem;
  color: var(--color-secondary);
  background: var(--color-white);
  padding: 0 4px;
}

/* --- チェックボックス --- */
.c-checkbox-wrapper {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  cursor: pointer;
  padding: 1rem;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  transition: background-color 0.3s ease;
}

.c-checkbox-wrapper:hover {
  background-color: var(--color-bg-sub);
}

.c-checkbox-input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.c-checkbox-custom {
  width: 20px;
  height: 20px;
  border: 2px solid var(--color-border);
  border-radius: 4px;
  position: relative;
  transition: all 0.3s ease;
  flex-shrink: 0;
}

.c-checkbox-input:checked+.c-checkbox-custom {
  background: var(--color-accent);
  border-color: var(--color-accent);
}

.c-checkbox-input:checked+.c-checkbox-custom::after {
  content: '';
  position: absolute;
  top: 1px;
  left: 5px;
  width: 6px;
  height: 10px;
  border: solid white;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

.c-checkbox-text {
  line-height: 1.5;
}

/* --- フォーム関連のフィードバック・装飾 --- */
.c-step-error {
  background: linear-gradient(135deg, #ffe6e6 0%, #fff2f2 100%);
  border: 1px solid #ffcccc;
  border-radius: 8px;
  padding: 1rem;
  margin-bottom: 1.5rem;
  animation: slideInDown 0.4s ease-out;
}

@keyframes slideInDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.c-step-error__content {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.c-step-error__icon {
  font-size: 1.2rem;
  flex-shrink: 0;
}

.c-step-error__text {
  color: #c0392b;
  font-weight: 500;
  line-height: 1.5;
}

.c-field-error,
.c-error-text {
  color: #e74c3c;
  font-size: 0.85rem;
  margin-top: 0.5rem;
  display: flex;
  align-items: center;
  gap: 6px;
  animation: fadeInUp 0.3s ease-out;
}

.c-field-error::before,
.c-error-text::before {
  content: '⚠️';
  font-size: 0.8rem;
}

.c-floating-input__field.is-invalid {
  border-color: #e74c3c;
  box-shadow: 0 0 0 3px rgba(231, 76, 60, 0.1);
}

.c-floating-input__field.is-valid {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(130, 180, 132, 0.1);
}

.c-confirmation-card {
  background: var(--color-bg-sub);
  border-radius: 12px;
  padding: 2rem;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

.c-trust-badge {
  background: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(10px);
  padding: 8px 16px;
  border-radius: 20px;
  font-size: 0.9rem;
  font-weight: 500;
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.c-highlight {
  color: var(--color-accent);
  font-weight: 600;
  background: rgba(130, 180, 132, 0.1);
  padding: 2px 8px;
  border-radius: 4px;
}

.c-optional {
  color: #999;
  font-style: italic;
}

.c-required {
  color: #e74c3c;
  font-weight: 600;
}

.c-link {
  color: var(--color-secondary);
  text-decoration: underline;
}

.c-link:hover {
  opacity: 0.7;
}

/* ===================================================================
   5. PROJECT (p-)
   =================================================================== */

/* --- トップページ：メインビジュアル --- */
.p-home__mv {
  position: relative;
  height: 60vh;
  min-height: 400px;
  max-height: 500px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  text-align: center;
}

.p-home__mv-image-wrapper {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url(/assets/images/classroom1.webp) no-repeat center center/cover;
  z-index: -1;
}

.p-home__mv-image-wrapper::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.4);
}

.p-home__mv-catchcopy {
  font-size: clamp(1.8rem, 6vw, 2.5rem);
  line-height: 1.4;
  font-weight: 700;
}

.p-home__mv-sub-catchcopy {
  margin-top: 1em;
  font-size: clamp(1rem, 3vw, 1.1rem);
  line-height: 1.6;
}

.p-home__mv-cta {
  margin-top: 2em;
}

/* --- トップページ：特徴セクション --- */
.p-home__features-list {
  display: grid;
  gap: 30px;
  grid-template-columns: repeat(1, 1fr);
}

/* --- トップページ：塾長紹介 --- */
.p-principal-intro {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 30px;
}

.p-principal-intro__image {
  max-width: 250px;
  width: 100%;
}

.p-principal-intro__image img {
  border-radius: 50%;
}

.p-principal-intro__text {
  text-align: center;
}

.p-principal-intro__name {
  font-size: 1.5rem;
  font-weight: bold;
}

.p-principal-intro__name-kana {
  font-size: 0.9rem;
  font-weight: normal;
  margin-left: 0.5em;
}

.p-principal-intro__message {
  margin-top: 1em;
  text-align: left;
}

/* --- トップページ：デジタル指導紹介 --- */
.p-digital-intro {
  display: grid;
  gap: 30px;
  align-items: center;
}

.p-digital-intro__image img {
  border-radius: 8px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

/* --- トップページ：コース・料金 --- */
.p-courses-overview {
  display: grid;
  gap: 40px;
  margin-bottom: 40px;
}

/* --- トップページ：アクセス --- */
.p-access-overview {
  display: grid;
  gap: 30px;
  align-items: center;
}

.p-access-overview__info {
  font-size: 1.1rem;
}

/* --- トップページ：最終CTA --- */
.p-home__final-cta {
  background-color: var(--color-secondary);
  color: var(--color-white);
  text-align: center;
}

.p-home__final-cta__text {
  margin-top: 1em;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.p-home__final-cta__flow {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 10px;
  margin-top: 2em;
  font-weight: bold;
}

.p-home__final-cta__flow-item {
  background: rgba(255, 255, 255, 0.1);
  padding: 0.5em 1em;
  border-radius: 4px;
}

.p-home__final-cta__flow-arrow {
  color: var(--color-accent);
}

.p-home__final-cta__tel {
  margin-top: 2em;
}

.p-home__final-cta__tel a {
  font-size: 2rem;
  font-weight: bold;
  color: var(--color-white);
  text-decoration: none;
}

/* --- ページヘッダー（下層ページ用） --- */
.p-page-header {
  padding-top: 80px;
  padding-bottom: 40px;
}

.p-page-header .c-section-title {
  margin-bottom: 1.5em;
}

.p-page-header p {
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.8;
}

/* --- 料金ページ：テーブル --- */
.p-courses__table-wrapper {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.p-courses__table {
  width: 100%;
  min-width: 600px;
  border-collapse: collapse;
  margin-top: 2em;
}

.p-courses__table th,
.p-courses__table td {
  border: 1px solid var(--color-border);
  padding: 1em;
  text-align: left;
  vertical-align: middle;
}

.p-courses__table th {
  background-color: var(--color-bg-sub);
  text-align: center;
}

/* --- アクセスページ：地図 --- */
.p-access__map-wrapper {
  position: relative;
  width: 100%;
  padding-top: 75%;
  height: 0;
  overflow: hidden;
}

.p-access__map-wrapper iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

/* === ここからモダンお問い合わせフォーム関連スタイル === */

/* --- ヒーローセクション --- */
.p-contact-hero {
  background-color: var(--color-secondary);
  color: var(--color-white);
  padding: 60px 0;
  text-align: center;
  position: relative;
}

.p-contact-hero__title {
  font-size: clamp(1.8rem, 5vw, 2.5rem);
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 1rem;
  position: relative;
  z-index: 1;
}

.p-contact-hero__subtitle {
  font-size: clamp(1rem, 3vw, 1.2rem);
  margin-bottom: 2rem;
  opacity: 0.9;
  position: relative;
  z-index: 1;
}

.p-contact-hero__trust-signals {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 15px;
  position: relative;
  z-index: 1;
}

/* --- フォームステップ --- */
.p-contact-form {
  position: relative;
}

.p-form-step {
  display: none;
  opacity: 0;
  animation: fadeInUp 0.6s ease-out forwards;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.p-form-step.is-active {
  display: block;
}

.p-form-step__title {
  font-size: 1.5rem;
  color: var(--color-primary);
  text-align: center;
  margin-bottom: 2rem;
}

.p-form-step__grid {
  display: grid;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.p-form-step__actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* STEP 1では常にボタンを中央配置 */
.p-form-step[data-step="1"] .p-form-step__actions {
  justify-content: center !important;
}

/* --- フォーム（従来） --- */
.p-contact__form-item {
  margin-bottom: 20px;
}

.p-contact__form-label {
  display: block;
  margin-bottom: 8px;
  font-weight: bold;
}

.p-contact__form-input,
.p-contact__form-textarea {
  width: 100%;
  padding: 12px;
  border: 1px solid var(--color-border);
  border-radius: 4px;
}

.p-contact__form-submit {
  text-align: center;
  margin-top: 30px;
}

.p-contact__confirm-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 2rem;
}

/* --- 代替お問い合わせ --- */
.p-contact-alternative {
  margin-top: 3rem;
  text-align: center;
}

.p-contact-alternative__divider {
  position: relative;
  margin: 2rem 0;
}

.p-contact-alternative__divider::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--color-border);
}

.p-contact-alternative__divider span {
  background: var(--color-white);
  padding: 0 1rem;
  color: #999;
  position: relative;
}

.p-contact-alternative__content {
  padding: 2rem;
  border: 1px solid var(--color-border);
  border-radius: 12px;
  background: var(--color-bg-sub);
}

.p-contact-alternative__title {
  font-size: 1.2rem;
  color: var(--color-primary);
  margin-bottom: 1rem;
}

.p-contact-alternative__tel {
  font-size: 2rem;
  font-weight: bold;
  color: var(--color-secondary);
  text-decoration: none;
  display: block;
  margin-bottom: 0.5rem;
}

.p-contact-alternative__tel:hover {
  color: var(--color-accent);
  opacity: 1;
}

.p-contact-alternative__time {
  font-size: 0.9rem;
  color: var(--color-text);
}


/* ===================================================================
   6. UTILITY (u-)
   =================================================================== */

.u-mb-small {
  margin-bottom: 1rem !important;
}

.u-mb-medium {
  margin-bottom: 2rem !important;
}

.u-mb-large {
  margin-bottom: 3rem !important;
}

.u-mt-small {
  margin-top: 1rem !important;
}

.u-mt-medium {
  margin-top: 2rem !important;
}

.u-mt-large {
  margin-top: 4rem !important;
}

.u-text-center {
  text-align: center !important;
}

.u-text-left {
  text-align: left !important;
}

.u-text-right {
  text-align: right !important;
}

.u-font-bold {
  font-weight: bold !important;
}

.u-color-accent {
  color: var(--color-accent);
  font-weight: bold;
}

.u-pc-only {
  display: none;
}

.u-text-small {
  font-size: 0.9rem;
}

.u-visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

/* ===================================================================
   7. MEDIA QUERIES
   =================================================================== */

/* --- アニメーション軽減設定 --- */
@media (prefers-reduced-motion: reduce) {

  .c-accordion__item,
  .c-accordion__question,
  .c-accordion__question::after,
  .c-accordion__answer {
    transition: none;
  }
}

/* --- 高コントラストモード対応 --- */
@media (prefers-contrast: high) {
  .c-accordion__item {
    border-width: 2px;
    border-color: var(--color-primary);
  }

  .c-accordion__question {
    background: var(--color-white);
  }

  .c-accordion__question[aria-expanded="true"] {
    background: var(--color-primary);
  }
}

/* --- モバイル (〜767px) --- */
@media (max-width: 767px) {
  .c-accordion__item {
    border-radius: 8px;
    margin-bottom: 12px;
  }

  .c-accordion__question {
    padding: 20px 50px 20px 20px;
    font-size: 1rem;
  }

  .c-accordion__question::after {
    right: 20px;
    width: 10px;
    height: 10px;
  }

  .c-accordion__answer-inner {
    padding: 20px;
  }

  /* モダンお問い合わせフォーム */
  .p-contact-hero {
    padding: 40px 0;
  }

  .c-progress-step__label {
    font-size: 0.8rem;
  }

  .c-selection-card {
    padding: 1.5rem 1rem;
  }

  .p-contact__confirm-buttons {
    flex-direction: column;
  }

  .c-step-error {
    margin-left: -1rem;
    margin-right: -1rem;
  }
}

/* --- PC (768px〜) --- */
@media (min-width: 768px) {

  /* --- Layout --- */
  .l-container {
    padding-left: var(--content-padding-pc);
    padding-right: var(--content-padding-pc);
  }

  .l-container--narrow {
    padding-left: var(--content-padding-pc);
    padding-right: var(--content-padding-pc);
  }

  .l-header__wrapper {
    padding: 0 var(--content-padding-pc);
  }

  .l-header__site-name {
    font-size: 1.4rem;
  }

  .l-footer__upper {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 60px;
    align-items: start;
    text-align: left;
    margin-bottom: 30px;
  }

  .l-footer__info {
    display: flex;
    flex-direction: column;
    gap: 20px;
  }

  .l-footer__contact-name {
    font-size: 1.2rem;
    font-weight: bold;
    margin-bottom: 0;
  }

  .l-footer__contact-details {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    font-size: 0.9rem;
    line-height: 1.6;
  }

  .l-footer__nav-list {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 15px 25px;
    justify-content: start;
    font-size: 0.9rem;
  }

  .l-footer__nav-item a {
    padding: 8px 0;
    display: block;
    line-height: 1.4;
  }

  /* --- Components --- */
  .c-hamburger-trigger {
    display: none;
  }

  /* ナビゲーション (PC) */
  .c-nav-menu {
    display: flex;
    align-items: center;
    position: static;
    width: auto;
    height: auto;
    background: none;
    padding: 0;
    overflow-y: visible;
  }

  .c-nav-menu__list {
    display: flex;
    gap: 0;
  }

  .c-nav-menu__item {
    position: relative;
  }

  .c-nav-menu__item a {
    display: block;
    padding: 8px 8px;
    font-size: 1rem;
    font-weight: 500;
    color: var(--color-text);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    border-radius: 0;
    letter-spacing: 0.02em;
  }

  .c-nav-menu__item a::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--color-secondary);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    transform: translateX(-50%);
  }

  .c-nav-menu__item a:hover {
    color: var(--color-secondary);
    background-color: rgba(74, 122, 150, 0.05);
    opacity: 1;
  }

  .c-nav-menu__item a:hover::before {
    width: 60%;
  }

  .c-nav-menu__item a:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
    border-radius: 4px;
  }

  .c-nav-menu__item.is-current a {
    color: var(--color-primary);
    background-color: rgba(0, 89, 72, 0.08);
  }

  .c-nav-menu__item.is-current a::before {
    width: 60%;
    background: var(--color-primary);
  }

  .c-nav-menu__item--mobile-only {
    display: none;
  }

  .c-nav-cta {
    display: inline-block;
    margin-left: 30px;
    padding: 8px 8px;
    font-size: 1rem;
    border-radius: 6px;
    font-weight: 600;
    box-shadow: 0 2px 4px rgba(130, 180, 132, 0.2);
    transition: all 0.3s ease;
  }

  .c-nav-cta:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(130, 180, 132, 0.3);
  }

  /* 定義リスト */
  .c-definition-list {
    display: grid;
    grid-template-columns: 240px 1fr;
  }

  .c-definition-list dt,
  .c-definition-list dd {
    border-bottom: 1px solid var(--color-border);
  }

  .c-definition-list dt {
    border-right: 1px solid var(--color-border);
    border-top: 1px solid var(--color-border);
  }

  .c-definition-list dd {
    border-top: 1px solid var(--color-border);
  }

  .c-definition-list>*:first-child,
  .c-definition-list>*:nth-child(2) {
    border-top: 1px solid var(--color-border);
  }

  .c-list-check--centered {
    max-width: 700px;
  }

  /* モダンお問い合わせフォーム */
  .p-form-step__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .p-form-step__actions {
    justify-content: space-between;
  }

  .c-selection-cards {
    grid-template-columns: repeat(3, 1fr);
  }

  .p-contact-alternative__tel {
    font-size: 2.5rem;
  }


  /* --- Project --- */
  .p-home__features-list {
    grid-template-columns: repeat(3, 1fr);
  }

  .p-principal-intro {
    flex-direction: row;
    text-align: left;
  }

  .p-principal-intro__text {
    text-align: left;
  }

  .p-digital-intro {
    grid-template-columns: 1fr 1fr;
  }

  .p-digital-intro__text {
    order: 1;
  }

  .p-digital-intro__image {
    order: 2;
  }

  .p-courses-overview {
    grid-template-columns: 1fr 1fr;
  }

  .p-access-overview {
    grid-template-columns: 1fr 1fr;
  }

  /* --- Utility --- */
  .u-pc-only {
    display: inline;
  }
}

/* ===================================================================
   5. PROJECT (p-) ... 追記分
   =================================================================== */

/* --- お知らせ一覧：カテゴリ表示 --- */
.c-news-list__category {
  font-size: 0.8rem;
  padding: 0.2em 0.8em;
  background-color: var(--color-bg-sub);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  color: var(--color-secondary);
  flex-shrink: 0;
  margin-left: auto;
  /* 日付とカテゴリを両端に配置 */
}

.c-news-list__meta {
  gap: 0.5em;
  /* 日付とカテゴリの間の余白を調整 */
}

/* --- お知らせ記事（個別ページ） --- */
.p-entry {
  max-width: 800px;
  margin: 0 auto;
}

.p-entry__header {
  margin-bottom: 3em;
  border-bottom: 1px solid var(--color-border);
  padding-bottom: 2em;
}

.p-entry__meta {
  display: flex;
  align-items: center;
  gap: 1em;
  font-size: 0.9rem;
  margin-bottom: 1em;
}

.p-entry__date {
  color: var(--color-text);
}

.p-entry__category {
  font-size: 0.8rem;
  padding: 0.2em 0.8em;
  background-color: var(--color-bg-sub);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  color: var(--color-secondary);
}

.p-entry__title {
  font-size: clamp(1.6rem, 5vw, 2rem);
  line-height: 1.4;
  color: var(--color-primary);
}

.p-entry__content {
  line-height: 1.8;
}

.p-entry__content p {
  margin-bottom: 1.5em;
}

.p-entry__content h2,
.p-entry__content h3,
.p-entry__content h4 {
  margin-top: 2.5em;
  margin-bottom: 1em;
  line-height: 1.5;
}

.p-entry__content h2 {
  font-size: 1.5rem;
  color: var(--color-primary);
  border-bottom: 2px solid var(--color-primary);
  padding-bottom: 0.4em;
}

.p-entry__content h3 {
  font-size: 1.3rem;
  color: var(--color-secondary);
  padding-left: 0.8em;
  border-left: 4px solid var(--color-secondary);
}

.p-entry__content img {
  margin-top: 1em;
  margin-bottom: 1em;
  border-radius: 8px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

/* --- 下層ページ用ヘッダーの調整 --- */
.p-page-header {
  background-color: var(--color-bg-sub);
  border-bottom: 1px solid var(--color-border);
  padding-top: 60px;
  padding-bottom: 60px;
}

.p-page-header .c-section-title {
  margin-bottom: 1em;
}

/* ===================================================================
   PROJECT (p-) ... ご利用規約ページ用 (修正版)
   =================================================================== */

.p-terms {
  line-height: 1.8;
}

/* --- 目次 --- */
.p-terms__nav {
  background-color: var(--color-bg-sub);
  border: 1px solid var(--color-border);
  border-radius: 8px;
  padding: 1.5em;
}

.p-terms__nav-title {
  font-size: 1.2rem;
  font-weight: bold;
  color: var(--color-primary);
  margin-bottom: 1em;
  padding-bottom: 0.5em;
  border-bottom: 1px solid var(--color-border);
}

.p-terms__nav-list {
  padding-left: 1.2em;
}

.p-terms__nav-list li {
  margin-bottom: 0.5em;
}

.p-terms__nav-list a {
  text-decoration: underline;
}

/* --- 各章 --- */
.p-terms__chapter:not(:last-of-type) {
  margin-bottom: 3em;
}

.p-terms__content h3 {
  font-size: 1.2rem;
  color: var(--color-text);
  margin-top: 2.5em;
  padding-bottom: 0.5em;
  border-bottom: 1px solid var(--color-border);
}

.p-terms__content h3:first-child {
  margin-top: 0;
}

.p-terms__content p {
  margin-top: 1em;
}

/* --- 規約リストの番号表示 --- */
.p-terms__content ol {
  margin-top: 1em;
  padding-left: 0;
  list-style: none;
  /* デフォルトマーカーを無効化 */
  counter-reset: list-counter;
  /* CSSカウンターを初期化 */
}

.p-terms__content ol>li {
  position: relative;
  padding-left: 2.2em;
  /* 番号表示用のスペースを確保 */
  margin-bottom: 0.8em;
}

.p-terms__content ol>li::before {
  counter-increment: list-counter;
  /* カウンターを1つ進める */
  position: absolute;
  left: 0;
  top: 0;
  font-weight: normal;
  display: inline-block;
  width: 2em;
  /* 番号がズレないように幅を固定 */
}

/* パターン1: 条文直下の項番号 (例: 1. 2.) */
.p-terms__content h3+ol>li::before {
  content: counter(list-counter) ".";
}

/* パターン2: pタグに続く号番号、または入れ子の号番号 (例: (1) (2)) */
.p-terms__content p+ol>li::before,
.p-terms__content li ol>li::before {
  content: "(" counter(list-counter) ")";
}

/* 入れ子リストの調整 */
.p-terms__content li ol {
  margin-top: 0.8em;
}

/* --- 附則 --- */
.p-terms__appendix {
  margin-top: 4em;
  padding-top: 2em;
  border-top: 2px solid var(--color-primary);
  font-size: 0.9rem;
}

/* ===================================================================
   MEDIA QUERIES ... 印刷用スタイル
   =================================================================== */
@media print {
  body {
    color: #000;
    background-color: #fff;
  }

  .l-header,
  .l-footer,
  .c-back-to-top,
  .p-page-header,
  .p-terms__nav {
    display: none !important;
  }

  main.l-main {
    padding: 0 !important;
  }

  .l-container,
  .l-container--narrow {
    max-width: 100% !important;
    padding: 0 !important;
    margin: 0 !important;
  }

  .p-terms {
    line-height: 1.5;
  }

  .c-subsection-title,
  .p-terms__content h3 {
    page-break-after: avoid;
  }
}

/* フッター：LINE追加ボタン */
.l-footer__line-add {
  margin-top: 1em;
  /* 電話番号との間隔を調整 */
}

.l-footer__line-add img {
  border: 0;
  /* HTMLのborder="0"属性をCSSで管理 */
  vertical-align: middle;
  /* 画像の下にできる余白を削除 */
  height: 36px;
  /* ボタンの高さを指定（任意で調整してください） */
  width: auto;
}